FIP: S7: support device scs signing [1/1]

PD#SWPL-152295

Problem:
S7: support device scs signing

Solution:
update device scs signing tool

Verify:
S7 BH209

Change-Id: I169d9cb944aadae8e2725332086b6117ee08a470
Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>
7 files changed